// The MIT License (MIT)
// 
// Copyright (c) 2015-2025 Rasmus Mikkelsen
// https://github.com/eventflow/EventFlow
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
using System;
using Microsoft.Extensions.DependencyInjection;

namespace EventFlow.EntityFramework;

public class EntityFrameworkConfiguration : IEntityFrameworkConfiguration
{
    private Action<IServiceCollection>? _registerBulkOperationConfiguration;
    private Action<IServiceCollection>? _registerUniqueConstraintDetectionStrategy;
    public static EntityFrameworkConfiguration New => new();

    private EntityFrameworkConfiguration()
    {
        UseUniqueConstraintDetectionStrategy<DefaultUniqueConstraintDetectionStrategy>();
        UseBulkOperationConfiguration<DefaultBulkOperationConfiguration>();
    }

    public EntityFrameworkConfiguration UseBulkOperationConfiguration<T>()
        where T : class, IBulkOperationConfiguration
    {
        _registerBulkOperationConfiguration = s => s.AddTransient<IBulkOperationConfiguration, T>();
        return this;
    }

    public EntityFrameworkConfiguration UseUniqueConstraintDetectionStrategy<T>()
        where T : class, IUniqueConstraintDetectionStrategy
    {
        _registerUniqueConstraintDetectionStrategy = s => s.AddTransient<IUniqueConstraintDetectionStrategy, T>();
        return this;
    }

    void IEntityFrameworkConfiguration.Apply(IServiceCollection serviceCollection)
    {
        serviceCollection.AddTransient<IEntityFrameworkConfiguration>(_ => this);
        _registerUniqueConstraintDetectionStrategy!(serviceCollection);
        _registerBulkOperationConfiguration!(serviceCollection);
    }
}
